Move towards using C++

Makefile

@@ -59,7 +59,7 @@ MAKEFLAGS += --no-print-directory
 #---------------------------------------------------------------------------------
 # any extra libraries we wish to link with the project
 #---------------------------------------------------------------------------------
-LIBS	:= -lz -liosuhax -lgd
+LIBS	:= -lm -lfat -lz -liosuhax -lgd
 
 #---------------------------------------------------------------------------------
 # list of directories containing libraries, this must be the top level containing

src/common/common.h

@@ -1,11 +1,11 @@
-#ifndef COMMON_H
-#define	COMMON_H
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include "os_defs.h"
+#include "fs_defs.h"
 
 #define CODE_HANDLER_INSTALL_ADDRESS 0x010F4000
 
@@ -70,5 +70,3 @@ typedef struct _restore_instructions_t {
 }
 #endif
 
-#endif	/* COMMON_H */
-

src/dynamic_libs/fs_functions.h

@@ -50,8 +50,7 @@ extern int (*FSUnmount)(void *pClient, void *pCmd, const char *target, int errHa
 
 extern int (*FSRename)(void *pClient, void *pCmd, const char *oldPath, const char *newPath, int error);
 
-extern int
-(*FSRenameAsync)(void *pClient, void *pCmd, const char *oldPath, const char *newPath, int error, void *asyncParams);
+extern int (*FSRenameAsync)(void *pClient, void *pCmd, const char *oldPath, const char *newPath, int error, void *asyncParams);
 
 extern int (*FSRemove)(void *pClient, void *pCmd, const char *path, int error);
 
@@ -63,8 +62,7 @@ extern int (*FSGetStatAsync)(void *pClient, void *pCmd, const char *path, void *
 
 extern int (*FSRename)(void *pClient, void *pCmd, const char *oldPath, const char *newPath, int error);
 
-extern int
-(*FSRenameAsync)(void *pClient, void *pCmd, const char *oldPath, const char *newPath, int error, void *asyncParams);
+extern int (*FSRenameAsync)(void *pClient, void *pCmd, const char *oldPath, const char *newPath, int error, void *asyncParams);
 
 extern int (*FSRemove)(void *pClient, void *pCmd, const char *path, int error);
 
@@ -76,9 +74,7 @@ extern int (*FSFlushQuotaAsync)(void *pClient, void *pCmd, const char *path, int
 
 extern int (*FSGetFreeSpaceSize)(void *pClient, void *pCmd, const char *path, uint64_t *returnedFreeSize, int error);
 
-extern int
-(*FSGetFreeSpaceSizeAsync)(void *pClient, void *pCmd, const char *path, uint64_t *returnedFreeSize, int error,
-						   void *asyncParams);
+extern int (*FSGetFreeSpaceSizeAsync)(void *pClient, void *pCmd, const char *path, uint64_t *returnedFreeSize, int error, void *asyncParams);
 
 extern int (*FSRollbackQuota)(void *pClient, void *pCmd, const char *path, int error);
 
@@ -104,11 +100,9 @@ extern int (*FSMakeDirAsync)(void *pClient, void *pCmd, const char *path, int er
 
 extern int (*FSOpenFile)(void *pClient, void *pCmd, const char *path, const char *mode, int *fd, int errHandling);
 
-extern int (*FSOpenFileAsync)(void *pClient, void *pCmd, const char *path, const char *mode, int *handle, int error,
-							  const void *asyncParams);
+extern int (*FSOpenFileAsync)(void *pClient, void *pCmd, const char *path, const char *mode, int *handle, int error, const void *asyncParams);
 
-extern int
-(*FSReadFile)(void *pClient, void *pCmd, void *buffer, int size, int count, int fd, int flag, int errHandling);
+extern int (*FSReadFile)(void *pClient, void *pCmd, void *buffer, int size, int count, int fd, int flag, int errHandling);
 
 extern int (*FSCloseFile)(void *pClient, void *pCmd, int fd, int errHandling);
 
@@ -120,9 +114,7 @@ extern int (*FSGetStatFile)(void *pClient, void *pCmd, int fd, void *buffer, int
 
 extern int (*FSSetPosFile)(void *pClient, void *pCmd, int fd, int pos, int error);
 
-extern int
-(*FSWriteFile)(void *pClient, void *pCmd, const void *source, int block_size, int block_count, int fd, int flag,
-			   int error);
+extern int (*FSWriteFile)(void *pClient, void *pCmd, const void *source, int block_size, int block_count, int fd, int flag, int error);
 
 extern int (*FSBindMount)(void *pClient, void *pCmd, char *source, char *target, int error);
 

src/dynamic_libs/socket_functions.h

@@ -66,8 +66,7 @@ struct sockaddr_in {
 	char sin_zero[8];
 };
 
-struct sockaddr
-{
+struct sockaddr {
 	unsigned short sa_family;
 	char sa_data[14];
 };
@@ -76,19 +75,31 @@ struct sockaddr
 void InitSocketFunctionPointers(void);
 
 extern int (*socket_lib_init)(void);
+
 extern int (*socket_lib_finish)(void);
+
 extern int (*socket)(int domain, int type, int protocol);
+
 extern int (*socketclose)(int s);
+
 extern int (*connect)(int s, void *addr, int addrlen);
-extern int (*bind)(s32 s,struct sockaddr *name,s32 namelen);
-extern int (*listen)(s32 s,u32 backlog);
-extern int (*accept)(s32 s,struct sockaddr *addr,s32 *addrlen);
+
+extern int (*bind)(s32 s, struct sockaddr *name, s32 namelen);
+
+extern int (*listen)(s32 s, u32 backlog);
+
+extern int (*accept)(s32 s, struct sockaddr *addr, s32 *addrlen);
+
 extern int (*send)(int s, const void *buffer, int size, int flags);
+
 extern int (*recv)(int s, void *buffer, int size, int flags);
+
 extern int (*sendto)(int s, const void *buffer, int size, int flags, const struct sockaddr *dest, int dest_len);
+
 extern int (*setsockopt)(int s, int level, int optname, void *optval, int optlen);
 
-extern char * (*inet_ntoa)(struct in_addr in);
+extern char *(*inet_ntoa)(struct in_addr in);
+
 extern int (*inet_aton)(const char *cp, struct in_addr *inp);
 
 #ifdef __cplusplus

src/fs/CFile.cpp

@@ -2,39 +2,33 @@
 #include <stdlib.h>
 #include "CFile.hpp"
 
-CFile::CFile()
-{
+CFile::CFile() {
 	iFd = -1;
 	mem_file = NULL;
 	filesize = 0;
 	pos = 0;
 }
 
-CFile::CFile(const std::string & filepath, eOpenTypes mode)
-{
+CFile::CFile(const std::string &filepath, eOpenTypes mode) {
 	iFd = -1;
 	this->open(filepath, mode);
 }
 
-CFile::CFile(const u8 * mem, int size)
-{
+CFile::CFile(const u8 *mem, int size) {
 	iFd = -1;
 	this->open(mem, size);
 }
 
-CFile::~CFile()
-{
+CFile::~CFile() {
 	this->close();
 }
 
-int CFile::open(const std::string & filepath, eOpenTypes mode)
-{
+int CFile::open(const std::string &filepath, eOpenTypes mode) {
 	this->close();
 
 	s32 openMode = 0;
 
-	switch(mode)
-	{
+	switch (mode) {
 		default:
 		case ReadOnly:
 			openMode = O_RDONLY;
@@ -55,7 +49,7 @@ int CFile::open(const std::string & filepath, eOpenTypes mode)
 	//! the .data sections which is needed for a normal application to re-init
 	//! this will be added with launching as RPX
 	iFd = ::open(filepath.c_str(), openMode);
-	if(iFd < 0)
+	if (iFd < 0)
 		return iFd;
 
 
@@ -65,8 +59,7 @@ int CFile::open(const std::string & filepath, eOpenTypes mode)
 	return 0;
 }
 
-int CFile::open(const u8 * mem, int size)
-{
+int CFile::open(const u8 *mem, int size) {
 	this->close();
 
 	mem_file = mem;
@@ -75,9 +68,8 @@ int CFile::open(const u8 * mem, int size)
 	return 0;
 }
 
-void CFile::close()
-{
-	if(iFd >= 0)
+void CFile::close() {
+	if (iFd >= 0)
 		::close(iFd);
 
 	iFd = -1;
@@ -86,27 +78,24 @@ void CFile::close()
 	pos = 0;
 }
 
-int CFile::read(u8 * ptr, size_t size)
-{
-	if(iFd >= 0)
-	{
-		int ret = ::read(iFd, ptr,size);
-		if(ret > 0)
+int CFile::read(u8 *ptr, size_t size) {
+	if (iFd >= 0) {
+		int ret = ::read(iFd, ptr, size);
+		if (ret > 0)
 			pos += ret;
 		return ret;
 	}
 
 	int readsize = size;
 
-	if(readsize > (s64) (filesize-pos))
-		readsize = filesize-pos;
+	if (readsize > (s64)(filesize - pos))
+		readsize = filesize - pos;
 
-	if(readsize <= 0)
+	if (readsize <= 0)
 		return readsize;
 
-	if(mem_file != NULL)
-	{
-		memcpy(ptr, mem_file+pos, readsize);
+	if (mem_file != NULL) {
+		memcpy(ptr, mem_file + pos, readsize);
 		pos += readsize;
 		return readsize;
 	}
@@ -114,15 +103,12 @@ int CFile::read(u8 * ptr, size_t size)
 	return -1;
 }
 
-int CFile::write(const u8 * ptr, size_t size)
-{
-	if(iFd >= 0)
-	{
+int CFile::write(const u8 *ptr, size_t size) {
+	if (iFd >= 0) {
 		size_t done = 0;
-	    while(done < size)
-        {
+		while (done < size) {
 			int ret = ::write(iFd, ptr, size - done);
-            if(ret <= 0)
+			if (ret <= 0)
 				return ret;
 
 			ptr += ret;
@@ -135,39 +121,29 @@ int CFile::write(const u8 * ptr, size_t size)
 	return -1;
 }
 
-int CFile::seek(long int offset, int origin)
-{
+int CFile::seek(long int offset, int origin) {
 	int ret = 0;
 	s64 newPos = pos;
 
-	if(origin == SEEK_SET)
-	{
+	if (origin == SEEK_SET) {
 		newPos = offset;
-	}
-	else if(origin == SEEK_CUR)
-	{
+	} else if (origin == SEEK_CUR) {
 		newPos += offset;
-	}
-	else if(origin == SEEK_END)
-	{
-		newPos = filesize+offset;
+	} else if (origin == SEEK_END) {
+		newPos = filesize + offset;
 	}
 
-	if(newPos < 0)
-	{
+	if (newPos < 0) {
 		pos = 0;
-	}
-	else {
+	} else {
 		pos = newPos;
 	}
 
-	if(iFd >= 0)
+	if (iFd >= 0)
 		ret = ::lseek(iFd, pos, SEEK_SET);
 
-	if(mem_file != NULL)
-	{
-		if(pos > filesize)
-		{
+	if (mem_file != NULL) {
+		if (pos > filesize) {
 			pos = filesize;
 		}
 	}
@@ -175,20 +151,18 @@ int CFile::seek(long int offset, int origin)
 	return ret;
 }
 
-int CFile::fwrite(const char *format, ...)
-{
+int CFile::fwrite(const char *format, ...) {
 	int result = -1;
-	char * tmp = NULL;
+	char *tmp = NULL;
 
 	va_list va;
 	va_start(va, format);
-	if((vasprintf(&tmp, format, va) >= 0) && tmp)
-	{
-        result = this->write((u8 *)tmp, strlen(tmp));
+	if ((vasprintf(&tmp, format, va) >= 0) && tmp) {
+		result = this->write((u8 *) tmp, strlen(tmp));
 	}
 	va_end(va);
 
-	if(tmp)
+	if (tmp)
 		free(tmp);
 
 	return result;

src/fs/CFile.hpp

@@ -7,12 +7,11 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <gctypes.h>
+#include "../common/fs_defs.h"
 
-class CFile
-{
-	public:
-		enum eOpenTypes
-		{
+class CFile {
+public:
+	enum eOpenTypes {
 		ReadOnly,
 		WriteOnly,
 		ReadWrite,
@@ -20,18 +19,22 @@ class CFile
 	};
 
 	CFile();
-		CFile(const std::string & filepath, eOpenTypes mode);
-		CFile(const u8 * memory, int memsize);
+
+	CFile(const std::string &filepath, eOpenTypes mode);
+
+	CFile(const u8 *memory, int memsize);
+
 	virtual ~CFile();
 
-		int open(const std::string & filepath, eOpenTypes mode);
-		int open(const u8 * memory, int memsize);
+	int open(const std::string &filepath, eOpenTypes mode);
+
+	int open(const u8 *memory, int memsize);
 
 	bool isOpen() const {
-            if(iFd >= 0)
+		if (iFd >= 0)
 			return true;
 
-            if(mem_file)
+		if (mem_file)
 			return true;
 
 		return false;
@@ -39,17 +42,23 @@ class CFile
 
 	void close();
 
-		int read(u8 * ptr, size_t size);
-		int write(const u8 * ptr, size_t size);
-		int fwrite(const char *format, ...);
-		int seek(long int offset, int origin);
-		u64 tell() { return pos; };
-		u64 size() { return filesize; };
-		void rewind() { this->seek(0, SEEK_SET); };
+	int read(u8 *ptr, size_t size);
 
-	protected:
+	int write(const u8 *ptr, size_t size);
+
+	int fwrite(const char *format, ...);
+
+	int seek(long int offset, int origin);
+
+	u64 tell() {return pos;};
+
+	u64 size() {return filesize;};
+
+	void rewind() {this->seek(0, SEEK_SET);};
+
+protected:
 	int iFd;
-		const u8 * mem_file;
+	const u8 *mem_file;
 	u64 filesize;
 	u64 pos;
 };

src/main.cpp

@@ -18,6 +18,8 @@
 #include "utils/logger.h"
 #include "utils/function_patcher.h"
 #include "patcher/function_patcher_gx2.h"
+#include "patcher/function_patcher_coreinit.h"
+#include "utils/sd_ip_reader.hpp"
 
 bool isCodeHandlerInstalled;
 
@@ -30,6 +32,7 @@ typedef enum {
 
 void applyFunctionPatches() {
 	patchIndividualMethodHooks(method_hooks_gx2, method_hooks_size_gx2, method_calls_gx2);
+	patchIndividualMethodHooks(method_hooks_coreinit, method_hooks_size_coreinit, method_calls_coreinit);
 }
 
 /* Entry point */
@@ -91,7 +94,7 @@ int Menu_Main(void) {
 	int screenBuffer0Size = OSScreenGetBufferSizeEx(0);
 	int screenBuffer1Size = OSScreenGetBufferSizeEx(1);
 
-	unsigned char *screenBuffer = MEM1_alloc(screenBuffer0Size + screenBuffer1Size, 0x40);
+	unsigned char *screenBuffer = (unsigned char *) MEM1_alloc(screenBuffer0Size + screenBuffer1Size, 0x40);
 
 	OSScreenSetBufferEx(0, screenBuffer);
 	OSScreenSetBufferEx(1, (screenBuffer + screenBuffer0Size));
@@ -147,7 +150,7 @@ int Menu_Main(void) {
 			isCodeHandlerInstalled = true;
 			launchMethod = TCP_GECKO;
 
-			log_init(COMPUTER_IP_ADDRESS);
+			initializeUDPLog();
 			log_print("Patching functions\n");
 			applyFunctionPatches();
 

src/patcher/function_patcher_coreinit.c

@@ -0,0 +1,47 @@
+#include "../utils/function_patcher.h"
+#include "../utils/logger.h"
+
+declareFunctionHook(int, FSOpenFile, void *pClient, void *pCmd, const char *path, const char *mode, int *fd, int errHandling) {
+	log_printf("FSOpenFile(): %s", path);
+	return real_FSOpenFile(pClient, pCmd, path, mode, fd, errHandling);
+}
+
+declareFunctionHook(int, FSOpenFileAsync, void *pClient, void *pCmd, const char *path, const char *mode, int *handle, int error, const void *asyncParams) {
+	log_printf("FSOpenFileAsync(): %s", path);
+	return real_FSOpenFileAsync(pClient, pCmd, path, mode, handle, error, asyncParams);
+}
+
+declareFunctionHook(int, FSOpenDir, void *pClient, void *pCmd, const char *path, int *dh, int errHandling) {
+	log_printf("FSOpenDir(): %s", path);
+	return real_FSOpenDir(pClient, pCmd, path, dh, errHandling);
+}
+
+declareFunctionHook(int, FSOpenDirAsync, void *pClient, void *pCmd, const char *path, int *handle, int error, void *asyncParams) {
+	log_printf("FSOpenDirAsync(): %s", path);
+	return real_FSOpenDirAsync(pClient, pCmd, path, handle, error, asyncParams);
+}
+
+declareFunctionHook(int, FSGetStat, void *pClient, void *pCmd, const char *path, FSStat *stats, int errHandling) {
+	log_printf("FSGetStat(): %s", path);
+	return real_FSGetStat(pClient, pCmd, path, stats, errHandling);
+}
+
+declareFunctionHook(int, FSGetStatAsync, void *pClient, void *pCmd, const char *path, FSStat *stats, int errHandling, void *asyncParams) {
+	log_printf("FSGetStatAsync(): %s", path);
+	return real_FSGetStatAsync(pClient, pCmd, path, stats, errHandling, asyncParams);
+}
+
+FunctionHook method_hooks_coreinit[] __attribute__((section(".data"))) = {
+		makeFunctionHook(FSOpenFile, LIB_CORE_INIT, STATIC_FUNCTION),
+		makeFunctionHook(FSOpenFileAsync, LIB_CORE_INIT, STATIC_FUNCTION),
+
+		makeFunctionHook(FSOpenDir, LIB_CORE_INIT, STATIC_FUNCTION),
+		makeFunctionHook(FSOpenDirAsync, LIB_CORE_INIT, STATIC_FUNCTION),
+
+		makeFunctionHook(FSGetStat, LIB_CORE_INIT, STATIC_FUNCTION),
+		makeFunctionHook(FSGetStatAsync, LIB_CORE_INIT, STATIC_FUNCTION),
+};
+
+u32 method_hooks_size_coreinit __attribute__((section(".data"))) = sizeof(method_hooks_coreinit) / sizeof(FunctionHook);
+
+volatile unsigned int method_calls_coreinit[sizeof(method_hooks_coreinit) / sizeof(FunctionHook) * FUNCTION_PATCHER_METHOD_STORE_SIZE] __attribute__((section(".data")));

src/patcher/function_patcher_coreinit.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "../utils/function_patcher.h"
+
+extern FunctionHook method_hooks_coreinit[];
+extern u32 method_hooks_size_coreinit;
+extern volatile unsigned int method_calls_coreinit[];
+
+#ifdef __cplusplus
+}
+#endif

src/patcher/function_patcher_gx2.h

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  ****************************************************************************/
 
-#ifndef FUNCTION_PATCHER_EXAMPLE_GX2_FUNCTION_PATCHER_H
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -30,5 +30,3 @@ extern volatile unsigned int method_calls_gx2[];
 #ifdef __cplusplus
 }
 #endif
-
-#endif

src/system/address.cpp

@@ -1,5 +1,5 @@
 #include "address.h"
-#include "dynamic_libs/os_functions.h"
+#include "../dynamic_libs/os_functions.h"
 
 int validateAddressRange(int starting_address, int ending_address) {
 	return __OSValidateAddressSpaceRange(1, (void *) starting_address, ending_address - starting_address + 1);

src/system/disassembler.c

@@ -1,6 +1,6 @@
 #include "disassembler.h"
-#include "assertions.h"
-#include "dynamic_libs/os_functions.h"
+#include "../utils/assertions.h"
+#include "../dynamic_libs/os_functions.h"
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>

src/system/exception_handler.c

@@ -140,5 +140,5 @@ unsigned char program_exception_cb(void *context) {
 void setup_os_exceptions() {
 	OSSetExceptionCallback(OS_EXCEPTION_DSI, &dsi_exception_cb);
 	OSSetExceptionCallback(OS_EXCEPTION_ISI, &isi_exception_cb);
-	// OSSetExceptionCallback(OS_EXCEPTION_PROGRAM, &program_exception_cb);
+	OSSetExceptionCallback(OS_EXCEPTION_PROGRAM, &program_exception_cb);
 }

src/system/hardware_breakpoints.h

@@ -58,7 +58,6 @@ static inline int getIABRMatch(void *interruptedContext) {
 unsigned char breakPointHandler(void *interruptedContext);
 
 void registerBreakPointHandler() {
-	log_init(COMPUTER_IP_ADDRESS);
 	log_print("Registering breakpoint handler...\n");
 	// TODO Not working, never called?
 	// OSSetExceptionCallback((u8) OS_EXCEPTION_DSI, &breakPointHandler);
@@ -80,7 +79,6 @@ void forceDebuggerPresent() {
 }*/
 
 static inline void setupBreakpointSupport() {
-	log_init(COMPUTER_IP_ADDRESS);
 	/*log_print("Clear and enable...\n");
 	__OSClearAndEnableInterrupt();
 	log_print("Restore...\n");
@@ -95,7 +93,6 @@ static inline void setupBreakpointSupport() {
 
 void setDataBreakpoint(int address, bool read, bool write) {
 	setupBreakpointSupport();
-	log_init(COMPUTER_IP_ADDRESS);
 	log_print("Setting DABR...\n");
 	OSSetDABR(1, address, read, write);
 	log_print("DABR set\n");
@@ -125,8 +122,6 @@ void setInstructionBreakpoint(unsigned int address) {
 }
 
 unsigned char breakPointHandler(void *interruptedContext) {
-	log_init(COMPUTER_IP_ADDRESS);
-
 	// Check for data breakpoints
 	int dataAddress = getDABRAddress(interruptedContext);
 	if (OSIsAddressValid((const void *) dataAddress)) {

src/system/kernel.h

@@ -1,10 +1,10 @@
 #pragma once
 
-#include "kernel/syscalls.h"
-#include "assertions.h"
-#include "dynamic_libs/os_functions.h"
-#include "tcp_gecko.h"
-#include "utils/logger.h"
+#include "../kernel/syscalls.h"
+#include "../utils/assertions.h"
+#include "../dynamic_libs/os_functions.h"
+#include "../tcp_gecko.h"
+#include "../utils/logger.h"
 
 unsigned char *kernelCopyBuffer[sizeof(int)];
 
@@ -17,7 +17,8 @@ void kernelCopyData(unsigned char *destinationBuffer, unsigned char *sourceBuffe
 	}
 
 	memcpy(kernelCopyBufferOld, sourceBuffer, length);
-	SC0x25_KernelCopyData((unsigned int) OSEffectiveToPhysical(destinationBuffer), (unsigned int) &kernelCopyBufferOld, length);
+	SC0x25_KernelCopyData((unsigned int) OSEffectiveToPhysical(destinationBuffer), (unsigned int) &kernelCopyBufferOld,
+						  length);
 	DCFlushRange(destinationBuffer, (u32) length);
 }
 
@@ -65,6 +66,8 @@ int kernelCopyService(int argc, void *argv) {
 			*(((int *) KERNEL_COPY_SOURCE_ADDRESS) + 1) = 0;
 		}
 	}
+
+	return 0;
 }
 
 void startKernelCopyService() {
@@ -84,8 +87,8 @@ void startKernelCopyService() {
 #define MINIMUM_KERNEL_COMPARE_LENGTH 4
 #define KERNEL_MEMORY_COMPARE_STEP_SIZE 1
 
-int kernelMemoryCompare(const void *sourceBuffer,
-						const void *destinationBuffer,
+int kernelMemoryCompare(const char *sourceBuffer,
+						const char *destinationBuffer,
 						int length) {
 	if (length < MINIMUM_KERNEL_COMPARE_LENGTH) {
 		ASSERT_MINIMUM_HOLDS(length, MINIMUM_KERNEL_COMPARE_LENGTH, "length");
@@ -111,3 +114,17 @@ int kernelMemoryCompare(const void *sourceBuffer,
 
 	return kern_read(sourceBuffer) - kern_read(destinationBuffer);
 }
+
+void executeAssembly(unsigned char buffer[], unsigned int size) {
+	// Write the assembly to an executable code region
+	int destinationAddress = 0x10000000 - size;
+	kernelCopyData((unsigned char *) destinationAddress, buffer, size);
+
+	// Execute the assembly from there
+	void (*function)() = (void (*)()) destinationAddress;
+	function();
+
+	// Clear the memory contents again
+	memset((void *) buffer, 0, size);
+	kernelCopyData((unsigned char *) destinationAddress, buffer, size);
+}

src/system/pause.h

@@ -1,9 +1,9 @@
 #pragma once
 
-#include "utils/logger.h"
-#include "assertions.h"
-#include "dynamic_libs/os_functions.h"
-#include "common/fs_defs.h"
+#include "../utils/logger.h"
+#include "../utils/assertions.h"
+#include "../dynamic_libs/os_functions.h"
+#include "../common/fs_defs.h"
 #include "kernel.h"
 
 int (*AVMGetDRCScanMode)(int);
@@ -22,7 +22,7 @@ unsigned long getConsoleStatePatchAddress() {
 		log_print("Acquired!\n");
 	}
 
-	return (unsigned long) (AVMGetDRCScanMode + 0x44);
+	return (unsigned long) ((char *) AVMGetDRCScanMode + 0x44);
 }
 
 typedef enum {

src/system/threads.cpp

@@ -2,11 +2,8 @@
 #include "../utils/linked_list.h"
 #include "../dynamic_libs/os_functions.h"
 #include "../utils/logger.h"
-#include "../main.h"
 
 struct node *getAllThreads() {
-	log_init(COMPUTER_IP_ADDRESS);
-
 	struct node *threads = NULL;
 	int currentThreadAddress = OSGetCurrentThread();
 	log_printf("Thread address: %08x\n", currentThreadAddress);

src/system/utilities.h

@@ -3,7 +3,7 @@
 
 #include "../dynamic_libs/os_functions.h"
 #include "../utils/logger.h"
-#include "../kernel.h"
+#include "kernel.h"
 #include "../common/kernel_types.h"
 
 void writeCode(u32 address, u32 instruction) {
@@ -13,7 +13,7 @@ void writeCode(u32 address, u32 instruction) {
 	ICInvalidateRange(pointer, 4);
 }
 
-void patchFunction(void *function, char *patchBytes, unsigned int patchBytesSize, int functionOffset) {
+void patchFunction(char *function, char *patchBytes, unsigned int patchBytesSize, int functionOffset) {
 	log_print("Patching function...\n");
 	void *patchAddress = function + functionOffset;
 	log_printf("Patch address: %p\n", patchAddress);

src/tcp_gecko.cpp

@@ -13,12 +13,12 @@
 #include "dynamic_libs/gx2_functions.h"
 #include "dynamic_libs/fs_functions.h"
 #include "utils/logger.h"
-#include "system/memory.h"
 #include "system/hardware_breakpoints.h"
 #include "utils/linked_list.h"
-#include "address.h"
+#include "system/address.h"
 #include "system/stack.h"
-#include "pause.h"
+#include "system/pause.h"
+#include "utils/sd_ip_reader.hpp"
 
 void *client;
 void *commandBlock;
@@ -55,7 +55,7 @@ struct pygecko_bss_t {
 #define COMMAND_FOLLOW_POINTER 0x60
 #define COMMAND_REMOTE_PROCEDURE_CALL 0x70
 #define COMMAND_GET_SYMBOL 0x71
-#define COMMAND_MEMORY_SEARCH 0x72
+#define COMMAND_MEMORY_SEARCH_32 0x72
 #define COMMAND_ADVANCED_MEMORY_SEARCH 0x73
 #define COMMAND_EXECUTE_ASSEMBLY 0x81
 #define COMMAND_PAUSE_CONSOLE 0x82
@@ -111,7 +111,7 @@ int flush
 
 // ########## Being socket_functions.h ############
 
-static int recvwait(struct pygecko_bss_t *bss, int sock, void *buffer, int len) {
+static int recvwait(struct pygecko_bss_t *bss, int sock, unsigned char *buffer, int len) {
 	int ret;
 	while (len > 0) {
 		ret = recv(sock, buffer, len, 0);
@@ -145,7 +145,7 @@ static int checkbyte(int sock) {
 	return buffer[0];
 }
 
-static int sendwait(struct pygecko_bss_t *bss, int sock, const void *buffer, int len) {
+static int sendwait(struct pygecko_bss_t *bss, int sock, unsigned char *buffer, int len) {
 	int ret;
 	while (len > 0) {
 		ret = send(sock, buffer, len, 0);
@@ -168,10 +168,10 @@ static int sendByte(struct pygecko_bss_t *bss, int sock, unsigned char byte) {
 
 void receiveString(struct pygecko_bss_t *bss,
 				   int clientfd,
-				   char *stringBuffer,
+				   unsigned char *stringBuffer,
 				   int bufferSize) {
 	// Receive the string length
-	char lengthBuffer[4] = {0};
+	unsigned char lengthBuffer[4] = {0};
 	int ret = recvwait(bss, clientfd, lengthBuffer, 4);
 	ASSERT_FUNCTION_SUCCEEDED(ret, "recvwait (string length)")
 	int stringLength = ((int *) lengthBuffer)[0];
@@ -228,7 +228,7 @@ void considerInitializingFileSystem() {
 void reportIllegalCommandByte(int commandByte) {
 	char errorBuffer[ERROR_BUFFER_SIZE];
 	__os_snprintf(errorBuffer, ERROR_BUFFER_SIZE,
-				  "Illegal command byte received: 0x%02x\nServer Version: %s\nIf you see this, you most likely have to update your TCP Gecko Installer.",
+				  "Illegal command byte received: 0x%02x\nServer Version: %s\nIf you see this,\nplease report this bug.",
 				  commandByte, SERVER_VERSION);
 	OSFatal(errorBuffer);
 }
@@ -514,7 +514,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 						   && (currentAddress < endingAddress)) {
 						int value = *(int *) currentAddress;
 						((int *) buffer)[currentIntegerIndex++] = value;
-						char *opCodeBuffer = malloc(bufferSize);
+						char *opCodeBuffer = (char *) malloc(bufferSize);
 						bool status = DisassemblePPCOpcode((u32 *) currentAddress, opCodeBuffer, (u32) bufferSize,
 														   OSGetSymbolName,
 														   (u32) disassemblerOptions);
@@ -536,7 +536,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 					}
 
 					int bytesToSend = currentIntegerIndex * integerSize;
-					ret = sendwait(bss, clientfd, &bytesToSend, 4);
+					ret = sendwait(bss, clientfd, (unsigned char *) &bytesToSend, 4);
 					ASSERT_FUNCTION_SUCCEEDED(ret, "sendwait (Buffer size)")
 
 					// VALUE(4)|STATUS(4)|LENGTH(4)|DISASSEMBLED(LENGTH)
@@ -545,7 +545,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 				}
 
 				int bytesToSend = 0;
-				ret = sendwait(bss, clientfd, &bytesToSend, 4);
+				ret = sendwait(bss, clientfd, (unsigned char *) &bytesToSend, 4);
 				ASSERT_FUNCTION_SUCCEEDED(ret, "sendwait (No more bytes)")
 
 				break;
@@ -656,7 +656,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 				u32 image_size = surface.image_size;
 
 				// Send the image size so that the client knows how much to read
-				ret = sendwait(bss, clientfd, &image_size, 4);
+				ret = sendwait(bss, clientfd, (unsigned char *) &image_size, 4);
 				ASSERT_FUNCTION_SUCCEEDED(ret, "sendwait (image size)")
 
 				unsigned int imageBytesSent = 0;
@@ -711,7 +711,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 			}
 			case COMMAND_READ_FILE: {
 				char file_path[FS_MAX_FULLPATH_SIZE] = {0};
-				receiveString(bss, clientfd, file_path, FS_MAX_FULLPATH_SIZE);
+				receiveString(bss, clientfd, (unsigned char *) file_path, FS_MAX_FULLPATH_SIZE);
 
 				considerInitializingFileSystem();
 
@@ -747,7 +747,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 						ASSERT_FUNCTION_SUCCEEDED(bytesRead, "FSReadFile")
 
 						// Send file bytes
-						ret = sendwait(bss, clientfd, fileBuffer, bytesRead);
+						ret = sendwait(bss, clientfd, (unsigned char *) fileBuffer, bytesRead);
 						ASSERT_FUNCTION_SUCCEEDED(ret, "sendwait (file buffer)")
 
 						totalBytesRead += bytesRead;
@@ -768,7 +768,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 			}
 			case COMMAND_READ_DIRECTORY: {
 				char directory_path[FS_MAX_FULLPATH_SIZE] = {0};
-				receiveString(bss, clientfd, directory_path, FS_MAX_FULLPATH_SIZE);
+				receiveString(bss, clientfd, (unsigned char *) directory_path, FS_MAX_FULLPATH_SIZE);
 
 				considerInitializingFileSystem();
 
@@ -793,7 +793,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 						ASSERT_FUNCTION_SUCCEEDED(ret, "sendwait (data coming)")
 
 						// Send the struct
-						ret = sendwait(bss, clientfd, &entry, entrySize);
+						ret = sendwait(bss, clientfd, (unsigned char *) &entry, entrySize);
 						ASSERT_FUNCTION_SUCCEEDED(ret, "sendwait (directory entry)")
 					}
 
@@ -819,7 +819,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 
 				// Receive the file path
 				char file_path[FS_MAX_FULLPATH_SIZE] = {0};
-				receiveString(bss, clientfd, file_path, FS_MAX_FULLPATH_SIZE);
+				receiveString(bss, clientfd, (unsigned char *) file_path, FS_MAX_FULLPATH_SIZE);
 
 				considerInitializingFileSystem();
 
@@ -843,19 +843,19 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 					ASSERT_ALLOCATED(fileBuffer, "File buffer")
 
 					// Send the maximum file buffer size
-					ret = sendwait(bss, clientfd, &file_buffer_size, 4);
+					ret = sendwait(bss, clientfd, (unsigned char *) &file_buffer_size, 4);
 					ASSERT_FUNCTION_SUCCEEDED(ret, "sendwait (maximum file buffer size)")
 
 					while (true) {
 						// Receive the data bytes length
 						unsigned int dataLength;
-						ret = recvwait(bss, clientfd, &dataLength, 4);
+						ret = recvwait(bss, clientfd, (unsigned char *) &dataLength, 4);
 						ASSERT_FUNCTION_SUCCEEDED(ret, "recvwait (File bytes length)")
 						ASSERT_MAXIMUM_HOLDS(file_buffer_size, dataLength, "File buffer overrun attempted")
 
 						if (dataLength > 0) {
 							// Receive the data
-							ret = recvwait(bss, clientfd, fileBuffer, dataLength);
+							ret = recvwait(bss, clientfd, (unsigned char *) fileBuffer, dataLength);
 							ASSERT_FUNCTION_SUCCEEDED(ret, "recvwait (File buffer)")
 
 							// Write the data (and advance file handle position implicitly)
@@ -888,7 +888,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 				break;
 			}
 			case COMMAND_IOSU_HAX_READ_FILE: {
-				log_print("COMMAND_IOSUHAX_READ_FILE");
+				/*log_print("COMMAND_IOSUHAX_READ_FILE");
 
 				// TODO Crashes console on this call
 				int returnValue = IOSUHAX_Open(NULL);
@@ -965,7 +965,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 				returnValue = IOSUHAX_Close();
 				log_printf("IOSUHAX_Close: %i", returnValue);
 
-				IOSUHAX_OPEN_FAILED:
+				IOSUHAX_OPEN_FAILED:*/
 
 				break;
 			}
@@ -1039,7 +1039,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 				ASSERT_FUNCTION_SUCCEEDED(ret, "nn_act_Finalize");
 
 				// Send it
-				ret = sendwait(bss, clientfd, &persistentIdentifier, 4);
+				ret = sendwait(bss, clientfd, (unsigned char *) &persistentIdentifier, 4);
 				ASSERT_FUNCTION_SUCCEEDED(ret, "sendwait (persistent identifier)")
 
 				break;
@@ -1113,7 +1113,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 				ret = recvwait(bss, clientfd, buffer, 4 + 8 * 4);
 				CHECK_ERROR(ret < 0);
 
-				fun = ((void **) buffer)[0];
+				fun = (long long int (*)(int, int, int, int, int, int, int, int)) ((void **) buffer)[0];
 				r3 = ((int *) buffer)[1];
 				r4 = ((int *) buffer)[2];
 				r5 = ((int *) buffer)[3];
@@ -1139,15 +1139,15 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 				CHECK_ERROR(ret < 0)
 
 				/* Identify the RPL name and symbol name */
-				char *rplname = (char *) &((int *) buffer)[2];
-				char *symname = (char *) (&buffer[0] + ((int *) buffer)[1]);
+				char *rplName = (char *) &((int *) buffer)[2];
+				char *symbolName = (char *) (&buffer[0] + ((int *) buffer)[1]);
 
 				/* Get the symbol and store it in the buffer */
 				unsigned int module_handle, function_address;
-				OSDynLoad_Acquire(rplname, &module_handle);
+				OSDynLoad_Acquire(rplName, &module_handle);
 
 				char data = (char) recvbyte(bss, clientfd);
-				OSDynLoad_FindExport(module_handle, data, symname, &function_address);
+				OSDynLoad_FindExport(module_handle, data, symbolName, &function_address);
 
 				((int *) buffer)[0] = (int) function_address;
 				ret = sendwait(bss, clientfd, buffer, 4);
@@ -1155,7 +1155,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 
 				break;
 			}
-			case COMMAND_MEMORY_SEARCH: {
+			case COMMAND_MEMORY_SEARCH_32: {
 				ret = recvwait(bss, clientfd, buffer, sizeof(int) * 3);
 				CHECK_ERROR(ret < 0);
 				int address = ((int *) buffer)[0];
@@ -1178,7 +1178,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 			}
 			case COMMAND_ADVANCED_MEMORY_SEARCH: {
 				// Receive the initial data
-				ret = recvwait(bss, clientfd, buffer, 4 * 6);
+				ret = recvwait(bss, clientfd, buffer, 6 * sizeof(int));
 				ASSERT_FUNCTION_SUCCEEDED(ret, "recvwait (memory search information)")
 				int bufferIndex = 0;
 				int startingAddress = ((int *) buffer)[bufferIndex++];
@@ -1190,7 +1190,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 
 				// Receive the search bytes
 				char searchBytes[searchBytesCount];
-				ret = recvwait(bss, clientfd, searchBytes, searchBytesCount);
+				ret = recvwait(bss, clientfd, (unsigned char *) searchBytes, searchBytesCount);
 				ASSERT_FUNCTION_SUCCEEDED(ret, "recvwait (memory search bytes)")
 
 				int iterationIncrement = aligned ? searchBytesCount : 1;
@@ -1204,7 +1204,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 					int comparisonResult;
 
 					if (kernelRead) {
-						comparisonResult = kernelMemoryCompare((void *) currentAddress, searchBytes, searchBytesCount);
+						comparisonResult = kernelMemoryCompare((char *) currentAddress, searchBytes, searchBytesCount);
 					} else {
 						comparisonResult = memcmp((void *) currentAddress, searchBytes, searchBytesCount);
 					}
@@ -1228,20 +1228,8 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
 				break;
 			}
 			case COMMAND_EXECUTE_ASSEMBLY: {
-				// Receive the assembly
-				receiveString(bss, clientfd, (char *) buffer, DATA_BUFFER_SIZE);
-
-				// Write the assembly to an executable code region
-				int destinationAddress = 0x10000000 - DATA_BUFFER_SIZE;
-				kernelCopyData((unsigned char *) destinationAddress, buffer, DATA_BUFFER_SIZE);
-
-				// Execute the assembly from there
-				void (*function)() = (void (*)()) destinationAddress;
-				function();
-
-				// Clear the memory contents again
-				memset((void *) buffer, 0, DATA_BUFFER_SIZE);
-				kernelCopyData((unsigned char *) destinationAddress, buffer, DATA_BUFFER_SIZE);
+				receiveString(bss, clientfd, (unsigned char *) buffer, DATA_BUFFER_SIZE);
+				executeAssembly(buffer, DATA_BUFFER_SIZE);
 
 				break;
 			}
@@ -1408,8 +1396,7 @@ static int runTCPGeckoServer(int argc, void *argv) {
 
 	setup_os_exceptions();
 	socket_lib_init();
-
-	log_init(COMPUTER_IP_ADDRESS);
+	initializeUDPLog();
 
 	while (true) {
 		socketAddress.sin_family = AF_INET;
@@ -1460,18 +1447,18 @@ static int runTCPGeckoServer(int argc, void *argv) {
 }
 
 static int startTCPGeckoThread(int argc, void *argv) {
-	log_init(COMPUTER_IP_ADDRESS);
 	log_print("Starting TCP Gecko thread...\n");
 
 	// Run the TCP Gecko Installer server
 	struct pygecko_bss_t *bss;
 
-	bss = memalign(0x40, sizeof(struct pygecko_bss_t));
+	bss = (struct pygecko_bss_t *) memalign(0x40, sizeof(struct pygecko_bss_t));
 	if (bss == 0)
 		return 0;
 	memset(bss, 0, sizeof(struct pygecko_bss_t));
 
-	if (OSCreateThread(&bss->thread, runTCPGeckoServer, 1, bss, (u32) bss->stack + sizeof(bss->stack),
+	if (OSCreateThread(&bss->thread, (s32 (*)(s32, void *)) runTCPGeckoServer, 1, bss,
+					   (u32) bss->stack + sizeof(bss->stack),
 					   sizeof(bss->stack), 0,
 					   0xc) == 1) {
 		OSResumeThread(&bss->thread);
@@ -1499,7 +1486,6 @@ static int startTCPGeckoThread(int argc, void *argv) {
 }
 
 void startTCPGecko() {
-	log_init(COMPUTER_IP_ADDRESS);
 	log_print("Starting TCP Gecko...\n");
 
 	// Force the debugger to be initialized by default

src/utils/sd_ip_reader.cpp

@@ -0,0 +1,40 @@
+#include "sd_ip_reader.hpp"
+
+char ipFromSd[16];
+bool hasReadIP = false;
+
+void initializeUDPLog() {
+	if (!hasReadIP) {
+		log_printf("Reading ip from sd card\n");
+		hasReadIP = true;
+
+		std::string ipFilePath = std::string(SD_PATH) + WIIU_PATH + "/" + IP_TXT;
+
+		CFile file(ipFilePath, CFile::ReadOnly);
+		if (!file.isOpen()) {
+			log_printf("File %s not found, using hard-coded\n", ipFilePath.c_str());
+			log_init(COMPUTER_IP_ADDRESS);
+			return;
+		}
+
+		std::string strBuffer;
+		strBuffer.resize(file.size());
+		file.read((u8 *) &strBuffer[0], strBuffer.size());
+
+		if (strBuffer.length() >= sizeof(ipFromSd)) {
+			log_printf("Loading ip from sd failed. String was too long: %s\n", strBuffer.c_str());
+			return;
+		}
+
+		memcpy(ipFromSd, strBuffer.c_str(), strBuffer.length());
+		ipFromSd[strBuffer.length()] = 0;
+
+		log_printf("Successfully read ip from sd! ip is: %s\n", ipFromSd);
+
+		log_init(ipFromSd);
+	}
+
+	if (strlen(ipFromSd) > 0) {
+		log_init(ipFromSd);
+	}
+}

src/utils/sd_ip_reader.hpp

@@ -0,0 +1,9 @@
+#pragma once
+
+#include "logger.h"
+#include "../common/common.h"
+#include "../fs/CFile.hpp"
+
+#define IP_TXT "ip.txt"
+
+void initializeUDPLog();